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Weather & Climate
Wetherill Park, New South Wales, Australia
Overview
Climate data and monthly weather averages for Wetherill Park.
Key Metrics
Annual Avg
16°C
Summer Avg
22.2°C
Winter Avg
9.5°C
Record High
45.1°C
Record Low
-2.4°C
Annual Precipitation
1011.4 mm
Avg Humidity
72%
Summer Humidity
67%
Winter Humidity
79%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 45.1° | 23.4° | 8.7° | 87.4 | 64% | 198 | 28.8 |
| Feb | 44.4° | 21.8° | 8.2° | 136.9 | 72% | 151 | 32.4 |
| Mar | 37.6° | 19.4° | 6.4° | 114.7 | 75% | 145 | 25.5 |
| Apr | 33.5° | 16.2° | 2.9° | 91.2 | 76% | 115 | 26.4 |
| May | 27.6° | 12.3° | 0.4° | 74.1 | 77% | 96 | 28.8 |
| Jun | 22.9° | 9.7° | -2.4° | 107.4 | 83% | 73 | 28.7 |
| Jul | 23.5° | 8.8° | -2.2° | 60.4 | 79% | 88 | 27.6 |
| Aug | 24.3° | 9.9° | -1.5° | 54.6 | 74% | 116 | 28.7 |
| Sep | 34.6° | 13.3° | 0° | 48.6 | 70% | 149 | 31.5 |
| Oct | 35.5° | 16.4° | 2° | 71.9 | 67% | 177 | 28.7 |
| Nov | 42.4° | 19.3° | 4.3° | 88.2 | 66% | 185 | 30.4 |
| Dec | 44.1° | 21.3° | 5.7° | 76 | 64% | 203 | 28.2 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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